(19)
(11) EP 2 034 230 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.04.2010 Bulletin 2010/14

(43) Date of publication A2:
11.03.2009 Bulletin 2009/11

(21) Application number: 08163643.3

(22) Date of filing: 04.09.2008
(51) International Patent Classification (IPC): 
F16L 55/24(2006.01)
B01D 29/03(2006.01)
F16L 41/10(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 06.09.2007 JP 2007231463

(71) Applicant: NIPPON PILLAR PACKING CO., LTD.
Osaka-shi, Osaka (JP)

(72) Inventor:
  • Katsura, Masayoshi
    Sanda-shi Hyogo (JP)

(74) Representative: Fleuchaus, Michael A. et al
Fleuchaus & Gallo Partnerschaft Patent- und Rechtsanwälte Sollner Straße 36
81479 München
81479 München (DE)

   


(54) Connecting structure between fluid device and joint


(57) The connecting structure between a fluid device and a joint according to the invention is a connecting structure between a fluid device and a joint in which a peripheral portion 3 of a fluid supply/discharge passage 1 in a fluid device P, and a fluid joint T are fittingly coupled to each other, whereby the fluid supply/discharge passage 1 and a passage 4 formed in the joint T are communicatingly connected to each other, wherein a functional component 5 which allows a fluid flowing between the fluid device P and the joint T to pass through the functional component, and which exerts an action on the fluid is interposed between the peripheral portion 3 and the joint T in a state where the functional component is sealed both by the peripheral portion 3 and the joint T, and an annular groove 6 and annular projection 7 which are fitted to each other to constitute a sealing portion Sm in a state where the fluid device P and the joint T are fittingly coupled to each other are formed in the fluid device P and the joint T, respectively.







Search report